Disease modifying treatment available:
Time critical diagnosis and management:
Lateralising:
BPPV is thought to be caused by calcium carbonate crystals (otoconia) within the semi-circular canals (otolithiasis). Otolithiasis most commonly affects the posterior semi-circular canal (85-95% of cases). The next most commonly affected canal is the posterior canal. The anterior canal has been reported to be affected but this is the least common.
Benign paroxysmal positional vertigo may cause the following:
1. What is the prevalence of otolithiasis in those without BPPV?